mlib_imagesconvkernelconvert(3mlib) [opensolaris man page]

mlib_ImageSConvKernelConvert(3MLIB)			    mediaLib Library Functions			       mlib_ImageSConvKernelConvert(3MLIB)

NAME

       mlib_ImageSConvKernelConvert - kernel conversion for separable convolution

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_ImageSConvKernelConvert(mlib_s32 *ihkernel,
	    mlib_s32 *ivkernel, mlib_s32 *iscale, const mlib_d64 *fhkernel,
	    const mlib_d64 *fvkernel, mlib_s32 m, mlib_s32 n, mlib_type type);

DESCRIPTION

       The  mlib_ImageSConvKernelConvert()  function  converts a floating-point separable convolution kernel to an integer kernel with its scaling
       factor, which is suitable to be used in separable convolution functions.

PARAMETERS

       The function takes the following arguments:

       ihkernel    Pointer to integer horizontal kernel.

       ivkernel    Pointer to integer vertical kernel.

       iscale	   Scaling factor of the integer convolution kernel.

       fhkernel    Pointer to floating-point horizontal kernel.

       fvkernel    Pointer to floating-point vertical kernel.

       m	   Width of the convolution kernel. m must be an odd number larger than 1.

       n	   Height of the convolution kernel. n must be an odd number larger than 1.

       type	   The image type.

RETURN VALUES

       The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_ImageSConv3x3(3MLIB),	  mlib_ImageSConv3x3_Fp(3MLIB), 	 mlib_ImageSConv5x5(3MLIB),	     mlib_ImageSConv5x5_Fp(3MLIB),
       mlib_ImageSConv7x7(3MLIB), mlib_ImageSConv7x7_Fp(3MLIB), mlib_ImageConvKernelConvert(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007				       mlib_ImageSConvKernelConvert(3MLIB)

mlib_ImageSConv5x5(3MLIB)				    mediaLib Library Functions					 mlib_ImageSConv5x5(3MLIB)

NAME

       mlib_ImageSConv5x5 - separable 5x5 convolution

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_ImageSConv5x5(mlib_image *dst, const mlib_image *src,
	    const mlib_s32 *hkernel, const mlib_s32 *vkernel, mlib_s32 scale,
	    mlib_s32 cmask, mlib_edge edge);

DESCRIPTION

       The mlib_ImageSConv5x5() function performs a separable 5x5 convolution on the source image by using the user-supplied kernel.

       It uses the following equation:

			m-1-dm n-1-dn
	 dst[x][y][i] =  SUM	SUM  src[x+p][y+q][i]*h[p]*v[q]*2**(-2*scale)
			p=-dm  q=-dn

       where m = 5, n = 5, dm = (m - 1)/2 = 2, dn = (n - 1)/2 = 2.

PARAMETERS

       The function takes the following arguments:

       dst	  Pointer to destination image.

       src	  Pointer to source image.

       hkernel	  Pointer to the horizontal kernel.

       vkernel	  Pointer to the vertical kernel.

       scale	  Scaling factor.

       cmask	  Channel  mask to indicate the channels to be convolved, each bit of which represents a channel in the image. The channels corre-
		  sponding to one bits are those to be processed. For a single-channel image, the channel mask is ignored.

       edge	  Type of edge condition. It can be one of the following:

		    MLIB_EDGE_DST_NO_WRITE
		    MLIB_EDGE_DST_FILL_ZERO
		    MLIB_EDGE_DST_COPY_SRC
		    MLIB_EDGE_SRC_EXTEND

RETURN VALUES

       The function returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mlib_ImageConv2x2(3MLIB),     mlib_ImageConv2x2_Fp(3MLIB),     mlib_ImageConv2x2Index(3MLIB),	 mlib_ImageConv3x3(3MLIB),     mlib_Image-
       Conv3x3_Fp(3MLIB),  mlib_ImageConv3x3Index(3MLIB),  mlib_ImageConv4x4(3MLIB),  mlib_ImageConv4x4_Fp(3MLIB),  mlib_ImageConv4x4Index(3MLIB),
       mlib_ImageConv5x5(3MLIB),     mlib_ImageConv5x5_Fp(3MLIB),     mlib_ImageConv5x5Index(3MLIB),	 mlib_ImageConv7x7(3MLIB),     mlib_Image-
       Conv7x7_Fp(3MLIB),     mlib_ImageConv7x7Index(3MLIB),	mlib_ImageConvKernelConvert(3MLIB),    mlib_ImageConvMxN(3MLIB),    mlib_ImageCon-
       vMxN_Fp(3MLIB), mlib_ImageConvMxNIndex(3MLIB),  mlib_ImageConvolveMxN(3MLIB),  mlib_ImageConvolveMxN_Fp(3MLIB),	mlib_ImageSConv3x3(3MLIB),
       mlib_ImageSConv3x3_Fp(3MLIB), mlib_ImageSConv5x5_Fp(3MLIB), mlib_ImageSConv7x7(3MLIB), mlib_ImageSConv7x7_Fp(3MLIB), mlib_ImageSConvKernel-
       Convert(3MLIB), attributes(5)

SunOS 5.11							    2 Mar 2007						 mlib_ImageSConv5x5(3MLIB)